>>>>> "Jan" == Jan Harkes <jaharkes_at_cs.cmu.edu> writes:

    Jan> After running configure, comment out '#define
    Jan> HAVE_UCONTEXT_H' in config.h, does it work then?

This is what I had to do for Darwin for Mac OS X 10.3.9 and Coda
6.0.10.  The Mac OS X 10.3.9 ucontext.h is seriously deficient
(probably expects something else to be #include'd, but I couldn't
figure out what).

BTW, from all accounts, Mac OS X 10.4 is a mess for third party
projects.  Personally I'm going to wait for at least one more Apple
release before I install it, and I may also be waiting on GCC sanity,
as GCC 4.0 (on Darwin, at least) doesn't seem to work and play well
with either of my two biggest dependencies (XEmacs and Python).

-- 
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              ask what your business can "do for" free software.